Replacing Warning Signs (Ce) - Huawei FusionModule1000A40 ICT Solution Maintenance Manual

FusionModule1000A40 ICT Solution
Maintenance Guide
Step 7 Switch on the input circuit breaker of the extinguishant control panel, and connect the cables
to the battery.
Step 8 Check whether the new heat detector is working properly.
----End
Follow-up Procedure
Dispose of the removed heat detector that is confirmed faulty.

4.4.2.3 Replacing Warning Signs (CE)

Prerequisites
A spare warning sign indicator of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: Phillips screwdriver, protective gloves, step ladder
Materials: spare warning sign indicator
Documents: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
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Procedure
Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant
control panel.
Step 2 Loosen the screws securing the warning sign and its base using a Phillips screwdriver, and
remove the cover of the warning sign.
Issue 01 (2019-03-05)
If the red indicator blinks once every 6s, the heat detector is working properly.
For the diagrams, see the initial configuration parameter manual for the solution in use.
Before replacing the warning signs, inform the related administrative departments of the
temporary downtime of the fire extinguishing system. After the replacement, inform the
administration department that the system has become operational.
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4 Parts Replacement
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